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    您现在的位置:Insulation combined material - 6641F-DMD Polyester film/polyester non-woven fabric Flexible combined material

    6641F-DMD Polyester film/polyester non-woven fabric Flexible combined material

     

    1、Basic Inion
    Thickness:0.15mm-0.45mm
    Width:980-990mm
    Colour:White,Pink,Blue
    Sheets:approx. 1000*900mm
    Tapes:from 10mm width upwards
     
    2、Composition and application
    6641 F-DMD is a three-layer flexible laminate insulating material consisting of polyester fiber non-woven fabric/polyester film/polyester fiber non-woven fabric.The used adhesive is F-Class and acid-free and temperature resistant.
    6641 F-DMD shows excellent electric insulating properties,heat resistance,mechanical strength and impregnated properties.It enables easy processing on automatic machines.It can be used in insulating slots,gaskets for electric machinery and interlayer insulation in transformers .Heat resistance is Class F.
    Special thickness and combinations can be supplied according to customer.
     
    3、Package and other terms
    This product is usually supplied in rolls.The roll weight is 70±5kg/roll.It also can be supplied in forms of sheet and tape.
    Materials of Core:Paper         Specification:76mm(3'')
    Package:Inside is polythene film.Outside is carton or wooden case.
    Store:Sealed and in dry place.

    4、Main Technical Data
    6641 F-DMD Polyester film/polyester non-woven fabric Flexible combined material

    NO.

    Technical Specification

    Unite

    Values

    1

    Thickness

    mm

    0.15

    0.18

    0.20

    0.23

    0.25

    0.30

    0.35

    0.40

    0.45

    2

    Thickness Tolerance

    mm

    ±0.02

    ±0.025

    ±0.03

    ±0.03

    ±0.03

    ±0.03

    ±0.035

    ±0.040

    ±0.045

    3

    Nominal Grammage and tolerance

    g/㎡

    140±20

    190±28

    220±33

    260±39

    300±45

    350±52

    425±63

    500±75

    560±84

    4

    Thickness of polyester film

    mm

    0.05

    0.075

    0.10

    0.125

    0.15

    0.19

    0.25

    0.30

    0.35

    5

    Tensile Strength

    MD

    No Bending

    N/10
    mm Width

    ≥80

    ≥120

    ≥140

    ≥180

    ≥190

    ≥270

    ≥320

    ≥340

    ≥370

    After Bending

    ≥80

    ≥105

    ≥120

    ≥150

    ≥170

    ≥200

    ≥300

    ≥320

    ≥350

    TD

    No Bending

    ≥80

    ≥105

    ≥120

    ≥150

    ≥170

    ≥200

    ≥300

    ≥320

    ≥350

    After Bending

    ≥70

    ≥90

    ≥100

    ≥120

    ≥130

    ≥150

    ≥200

    ≥220

    ≥250

    6

    Elongation

    MD

    No Bending

    ≥15

    After Bending

    ≥10

    ≥5

    ≥3

    TD

    No Bending

    ≥20

    After Bending

    ≥10

    ≥5

    ≥2

    7

    Breakdown Voltage

    KV

    ≥6

    ≥7

    ≥9

    ≥10

    ≥12

    ≥15

    ≥18

    ≥20

    ≥22

    8

    Bond strength at 25 degree C

    No delamination

    9

    Bond strength at 180 degree C

    No delamination,no blister,no adhesive flow

    10

    Temperature

    155

     

    Note:The properties of this product are different according to the thickness of the polyester film.So pls tell us the thickness of the polyester film when you purchase our product

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